Feliciano, Catleen Glo. “Sentiment Analysis and Word Cloud of Teachers’ Evaluations Using R Programming Language”. JECT - Isabela State University Linker: Journal of Engineering, Computing and Technology 2, no. 2 (January 2, 2026): 52–80. Accessed January 11, 2026. https://www.isujournals.ph/index.php/ject/article/view/245.